Aroma humidifier



FIG. 1 is a perspective view of an aroma humidifier showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear side elevational view thereof;

FIG. 6 is a right plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings illustrate features that form no part of the claim. 

CLAIM The ornamental design for an aroma humidifier, as shown and described. 